12089+2147 LDS 930 AB
12h 08m 54.66s +21° 47' 19.4" P.A. 39.00 sep 15.5 mag 9.45,14.63 Sp G2V dist. 79.43 pc (259.1 l.y.)
Coord 2000 |
12089+2147 |
|
Discov num |
LDS 930 |
|
Comp |
AB |
|
Coord arcsec 2000 |
12 08 54.66 +21 47 19.4 |
|
Date first |
1936 |
|
Date last |
2018 |
|
Obs |
10 |
|
Pa first |
40 |
|
Pa last |
39.3 |
|
P.A. Now (θ) |
39.3° |
|
Sep first |
16.0 |
|
Sep last |
15.54 |
|
Sep. Now (ρ) |
15.54" |
|
Mag pri |
9.45 |
|
Mag sec |
14.63 |
|
delta mag (ΔM) |
5.18 |
|
Spectral class |
G2V (yellow) |
|
Pri motion ra |
-387 |
|
Sec motion ra |
-439 |
|
Pri motion dec |
+038 |
|
Sec motion dec |
+037 |
|
Notes |
N
V
(See Notes, Proper motion indicates physical) |
|
rPM=0.118 (< 0.3, Physical double)
This double is physical.
12089+2147 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
12 08 55 +21 47 19 |
HDS 1714 Aa,Ab |
2021 |
8 |
204 |
0.1 |
9.74 |
11.99 |
2.25 |
Y |
|
Show |
|
|
12 08 55 +21 47 19 |
LDS 930 AB |
2018 |
10 |
39 |
15.5 |
9.45 |
14.63 |
5.18 |
|
<=== |
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Coma Berenices |
|
HIP |
59233 |
|
Tycho2 |
1444-00419-1 |
|
BD |
BD+22 2442 |
|
Distance |
79.43 |
|
Distance ly |
259.1 |
|